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  ZITHER Self Centring Chucks:  

 
 

ZITHER brand chucks are widely accepted since 1959. These are economically priced and offer best value for the money spent.

Bodies of these chucks are made out of alloyed cast iron for maximum wear resistance. The bodies have hardness of 190 to 210 BHN. Steel and SG Iron Bodies are also available.

Jaws are made out of Case hardening steel and are suitably heat treated. The gripping portions have hardness of 57 to 62 HRC. These are precisely ground for perfect fitting in the body.

Pinions are manufactured out of case hardening steel and are suitably heat treated. These have hardness of 43 to 47 HRC.

Scroll is made out of high strength steel and is suitably hardened to 38 to 45 HRC for maximum wear resistance. The threads of scroll are precisely ground which provide long service life to the chuck.

Operating key of suitable strength is provided with each chuck.
Mounting bolts & Inspection report is provided with each chuck.
  
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  ZITMAC Self Centring Chucks:    
       
 
ZITMAC is the result of continuous research and development and have been manufactured to compete with imported reputed brand chucks.

Bodies of these chucks are made out of alloyed cast iron for maximum wear resistance. The bodies have hardness of 190 to 210 BHN. Steel and SG Iron Bodies are also available.

Jaws are made out of ALLOYED Case hardening steel and are suitably heat treated. The gripping portions have hardness of 57 to 62 HRC. These are precisely ground for perfect fitting in the body. The threads are also ground for perfect mesh with the scroll.

Pinions are manufactured out of ALLOYED high strength steel and are suitably heat treated. These have hardness of 43 to 47 HRC.

Scroll is made out of ALLOYED high strength steel and is suitably hardened to 38 to 45 HRC for maximum wear resistance. The threads of scroll are precisely ground which provide long service life to the chuck.

Operating key of HIGH strength is provided with each chuck.
Mounting bolts & Inspection report is provided with each chuck.
  

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  Difference between ZITMAC and ZITHER Chucks    
  ZITMAC chucks offer more service life than ZITMAC brand chucks.    
  ZITMAC chucks retain accuracy for a longer period. However Initial accuracy is same. The above differences are due to high quality ALLOYED STEEL meterials used in the parts. in the long run, Zitmac chucks will prove to be economical though initial cost is higher.